Disassembly

4GR-FSE ENGINE MECHANICAL: CYLINDER HEAD: DISASSEMBLY

1. REMOVE VALVE STEM CAP

(a) Remove the valve stem caps from the cylinder heads.

HINT
Arrange the removed parts in the correct order.

2. REMOVE INTAKE VALVE

(a) Using SST, compress the inner compression spring and remove the valve spring retainer locks.





SST : 09202-70020

09202-00010

09202-01010

09202-01020

(b) Remove the valve spring retainer, inner compression spring and intake valve.

HINT
Arrange the removed parts in the correct order.

3. REMOVE EXHAUST VALVE

(a) Using SST, compress the inner compression spring and remove the valve spring retainer locks.





SST : 09202-70020

09202-00010

09202-01010

09202-01020

(b) Remove the valve spring retainer, inner compression spring and exhaust valve.

HINT
Arrange the removed parts in the correct order.

4. REMOVE VALVE STEM OIL SEAL

(a) Using needle-nose pliers, remove the valve stem oil seals.





5. REMOVE VALVE SPRING SEAT

(a) Using compressed air and a Magnet Hand, remove the valve spring seats by blowing air onto them.





6. REMOVE NO. 1 STRAIGHT SCREW PLUG

(a) Using a 10 mm hexagon wrench, remove the 4 No. 1 straight screw plugs and 4 gaskets.





NOTICE:
If water leaks from a straight screw plug or the plug is corroded, replace it.

7. REMOVE NO. 2 STRAIGHT SCREW PLUG

(a) Using a 14 mm hexagon wrench, remove the 2 No. 2 straight screw plugs and 2 gaskets.





NOTICE:
If water leaks from a straight screw plug or the plug is corroded, replace it.